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there are 51 natural elements we know of
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How many elements shown in the periodic table do not occur in nature on earth?
118 total - 92 natural elements= 26 elements that do not naturally occur===========================
How many element is half of the periodic table?
including "unknown elements" there are 59 elements in half of the periodic table, not including them there is 55.5 Added: 92 natural elements/2 = 46 natural elements make up 1/2 periodic table.
What are the names of the 3 elements that are solids in their natural state?
There are many more than three elements that are solid under standard conditions.
Are all radioative elements synthetic?
No, some elements (Ac, Th, Pa, Rn, U, Th, etc.) and many other isotopes are natural elements or isotopes.
Are most elements man made or natural?
All the existing elements are natural the man made elements are rare and have a very short life.
How many elements do you currently know of?
Today the periodic table contain 118 chemical elements; 94 are considered natural elements.
How many natural elements exist that you know of?
There are 90 naturally occurring elements. The other 28 are synthetic. Refer to the related link for a printable colored periodic table that identifies the artificially prepared elements.
Why did scientists think that Uranium was the last element?
Uranium is only the last natural element. We know many artificial transuranic elements.
How many natural element occur on the periodic table?
Today 94 elements (1 to 94) are considered natural chemical elements.
How many natural elements exist on earth?
92
How many elements are there on earth?
Now (2013) are considered as natural chemical elements 97 elements (including berkelium).
How many elements is there?
there are 118 elements as we know right now
How many elements are natural in the periodic table?
90: The first 92 elements except technetium and promethium.
How many elements in the periodic table natural?
90: The first 92 elements except technetium and promethium.
How many elements does natural gas have?
Usually two : carbon & hydrogen.
Is it right that 88 natural elements now?
No. There are 92 natural elements.
How many know elements are there?
118
